First, let us understand what laser is?Laser is the light emitted by atoms under stimulation: when the electrons in atoms absorb energy and jump from low energy level to high energy level, and then fa...
I recently installed a new version of IAR, and then opened an old project, and the following screenshot appeared. Does anyone know how to solve this problem?After clicking OK, you can enter the progra...
Bluexun has a guide for audio applications on GITEE. Following this guide, you can build a project step by step to make the sound from the headphone jack sound.
There are already many software package...
Python is a powerful language that serves a variety of purposes for developers around the world. According to the TIOBE index, Python continues to climb the rankings. Developers and technology profess...
Webusb is a USB standard developed by Google. It can safely control USB devices through the browser, thus achieving cross-platform, convenient and flexible peripheral control. Webusb uses the USB HID ...
This year, a sudden outbreak of COVID-19 has brought great disasters to all parts of the world. Due to the particularity of the virus, it has brought great challenges to scientific researchers. The fi...
On February 9, Xinsheng Community released the minutes of founder Ren Zhengfei's interview with the media after the unveiling ceremony of the Taiyuan Intelligent Mining Innovation Laboratory. In r...[Details]
I built the first STM8 project according to the tutorial (Qingfeng Electronics) and the following error occurred. Appear: Fatal Error : cannot open source file "stm8s_gpio.h" D:stm8testdriverled.h ...[Details]
In addition to counting calories, health technology can do a lot more
Snoring is a common phenomenon for many people. In fact, snoring is the sound made by people who have difficulty...[Details]
1 Introduction
In the process of designing and debugging automatic control systems, sine waves, triangle waves and square waves of different frequencies are often used as signal sources, which are v...[Details]
1.1 Portable module node hardware low power design
(1) Processor selection
The ATmega324p is a powerful microcontroller that provides a flexible and low-cost solution for many embedded co...[Details]
From desktop computers and laptops to mobile phones and tablets, mobile devices are used and welcomed by more consumers. Since the mainstream of IT equipment is thin and light and personal portabilit...[Details]
1. Self-excited intermittent oscillation circuit
Figure 1 (a) is a self-excited intermittent oscillation circuit. When the circuit is powered on (t=to), the current flows through the primary of t...[Details]
LCD TV
Panel
Concept and classification
The LCD panel
is
the
display
system of the LCD TV and the core component of the entire TV. The LCD panel can largely determine
...[Details]
Abstract:
For processors without an integrated CAN controller, CAN communication can be achieved through an external CAN interface. Taking Philips' ARM7 processor LPC2131 as an example, a rel...[Details]
Charging has always been an unavoidable problem for new energy vehicles, but with the development of technology, today's fast charging technology has been gradually improved. However, the high curr...[Details]
MCS-51 uses Harvard structure, its program space and data space are separately addressed, that is, each has its own address space, and they do not overlap. So even if the address is the same, because...[Details]
The work is designed with STC15W1K16S microcontroller and DS1302, and it is better to use it with the videos uploaded by Station B. Search for Digital Clock Design Based on DS1302 (UP Ling Jing Qingh...[Details]
Control circuit diagram
Control circuit diagram Resistor R28 is connected in series with the secondary winding of transformer T4 to detect the overcurrent of the lamp. The detected overcurrent is ...[Details]
Sensor
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